About the Authors
Department of Medicine, Division of Infectious Diseases, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
Aid for AIDS Disease Management Programme, Cape Town, South Africa
Department of Medicine, Division of Clinical Pharmacology, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
Center for Infectious Diseases, Faculty of Health Sciences, Stellenbosch University, Tygerberg Campus, Cape Town, South Africa
Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
The authors have declared that no competing interests exist.
GPB, RG, IF, GM, and JBN designed the experiments and the study. MH collected data for the study. MH was responsible for data collection, preparation, extraction, and reporting for the Aid for AIDS Disease Management Programme. GPB, SB, and JC performed the statistical analyses. GPB wrote the first draft of the paper. All authors contributed to the analysis and interpretation of the data summarized in the manuscript, and all authors contributed to revising and finalizing the paper.